@odata2ts/odata2ts/lib/download/downloadMetadata.js

Flexible generator to produce various TypeScript artefacts (from simple model interfaces to complete odata clients) from OData metadata files

import { __awaiter, __rest } from "tslib";
import axios from "axios";
import deepmerge from "deepmerge";
const METADATA_PATH = "$metadata";
const PWD_BLIND_TEXT = { password: "xxx hidden xxx" };
function evaluateRequestConfig(url, config) {
    const defaultReqConfig = {
        url: url,
        method: "GET",
        headers: {
            // Added Accept: "application/xml" to ensure OData API servers
            // return metadata in XML format, as axios defaults to application/json.
            Accept: "application/xml",
        },
    };
    const reqConfig = config.custom
        ? config.custom
        : typeof config.username === "string" && typeof (config === null || config === void 0 ? void 0 : config.password) === "string"
            ? { auth: { username: config.username, password: config.password } }
            : {};
    return deepmerge(defaultReqConfig, reqConfig);
}
/**
 * Retrieves the metadata from the given URL using the given configuration.
 *
 * Failure handling must be implemented by consumer.
 * Exception is thrown for failed requests (400, 401, ...).
 *
 * @param sourceUrl
 * @param sourceConfig
 * @param debug
 */
export function downloadMetadata(sourceUrl, sourceConfig = {}, debug = false) {
    return __awaiter(this, void 0, void 0, function* () {
        // add the $metadata suffix
        const url = sourceUrl.endsWith(METADATA_PATH)
            ? sourceUrl
            : sourceUrl + (sourceUrl.endsWith("/") ? "" : "/") + METADATA_PATH;
        console.log(`Reading metadata from URL:`, url);
        // evaluate configured request config options
        const config = evaluateRequestConfig(url, sourceConfig);
        // log request configuration without password
        if (debug) {
            const { auth } = config, loggable = __rest(config, ["auth"]);
            const safeConfig = auth ? Object.assign(Object.assign({}, loggable), { auth: Object.assign(Object.assign({}, auth), (auth.password ? PWD_BLIND_TEXT : {})) }) : loggable;
            console.log(`Request configuration:`, safeConfig);
        }
        // execute the request & return response data
        const response = yield axios.request(config);
        return response.data;
    });
}
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